Faraday's law of induction deals with how a changing magnetic flux induces an emf in a circuit. Recall that magnetic flux depends on magnetic field strength and the effective area the field is passing through. We our investigation by looking at the field strength around a bar magnet. Position the magnet around the coil so that the region labeled A in the figure below is inside the coil. Move the magnet slowly back and forth and observe the effect on the brightness of the bulb and the needle of voltmeter. Repeat the same process for the other two regions. For which of the regions shown in the figure is the observed effect the strongest? O Region C O Region B The observed effect is the same for all three regions. O Region A Submit A Request Answer N S B C
Faraday's law of induction deals with how a changing magnetic flux induces an emf in a circuit. Recall that magnetic flux depends on magnetic field strength and the effective area the field is passing through. We our investigation by looking at the field strength around a bar magnet. Position the magnet around the coil so that the region labeled A in the figure below is inside the coil. Move the magnet slowly back and forth and observe the effect on the brightness of the bulb and the needle of voltmeter. Repeat the same process for the other two regions. For which of the regions shown in the figure is the observed effect the strongest? O Region C O Region B The observed effect is the same for all three regions. O Region A Submit A Request Answer N S B C
Chapter13: Electromagnetic Induction
Section: Chapter Questions
Problem 90CP: A rectangular copper loop of mass 100 g and resistance 0.2 is in a region of uniform magnetic field...
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